5.10-stable review patch. If anyone has any objections, please let me know.
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From: Bjorn Andersson quic_bjorande@quicinc.com
commit fb80ef67e8ff6a00d3faad4cb348dafdb8eccfd8 upstream.
Upon termination of the rpmsg_device, driver_override needs to be freed to avoid leaking the potentially assigned string.
Fixes: 42cd402b8fd4 ("rpmsg: Fix kfree() of static memory on setting driver_override") Fixes: 39e47767ec9b ("rpmsg: Add driver_override device attribute for rpmsg_device") Reviewed-by: Chris Lew quic_clew@quicinc.com Signed-off-by: Bjorn Andersson quic_bjorande@quicinc.com Signed-off-by: Bjorn Andersson andersson@kernel.org Link: https://lore.kernel.org/r/20230109223931.1706429-1-quic_bjorande@quicinc.com Signed-off-by: Lee Jones lee@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/rpmsg/qcom_glink_native.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1379,6 +1379,7 @@ static void qcom_glink_rpdev_release(str struct glink_channel *channel = to_glink_channel(rpdev->ept);
channel->rpdev = NULL; + kfree(rpdev->driver_override); kfree(rpdev); }
@@ -1607,6 +1608,7 @@ static void qcom_glink_device_release(st
/* Release qcom_glink_alloc_channel() reference */ kref_put(&channel->refcount, qcom_glink_channel_release); + kfree(rpdev->driver_override); kfree(rpdev); }